If the output file extension differs from the input file extension and is one of the readily identified strings wav, w64, or ogg, then open the output file with that format; otherwise use the same format as the input (as we previously did always). See https://todo.sr.ht/~breakfastquay/rubberband/20

This commit is contained in:
Chris Cannam
2022-09-26 17:56:29 +01:00
parent 9e423cdd8c
commit f8d94082e0

View File

@@ -533,6 +533,18 @@ int main(int argc, char **argv)
char *fileName = strdup(argv[optind++]);
char *fileNameOut = strdup(argv[optind++]);
std::string extIn, extOut;
for (int i = strlen(fileName); i > 0; ) {
if (fileName[--i] == '.') {
extIn = fileName + i + 1;
}
}
for (int i = strlen(fileNameOut); i > 0; ) {
if (fileNameOut[--i] == '.') {
extOut = fileNameOut + i + 1;
}
}
SNDFILE *sndfile;
SNDFILE *sndfileOut;
SF_INFO sfinfo;
@@ -562,11 +574,28 @@ int main(int argc, char **argv)
}
sfinfoOut.channels = sfinfo.channels;
sfinfoOut.format = sfinfo.format;
sfinfoOut.frames = int(sfinfo.frames * ratio + 0.1);
sfinfoOut.samplerate = sfinfo.samplerate;
sfinfoOut.sections = sfinfo.sections;
sfinfoOut.seekable = sfinfo.seekable;
if (extIn == extOut) {
sfinfoOut.format = sfinfo.format;
} else {
std::string ex = extOut;
for (size_t i = 0; i < ex.size(); ++i) {
ex[i] = tolower(ex[i]);
}
if (ex == "wav") {
sfinfoOut.format = SF_FORMAT_WAV | SF_FORMAT_PCM_24;
} else if (ex == "w64") {
sfinfoOut.format = SF_FORMAT_W64 | SF_FORMAT_PCM_24;
} else if (ex == "ogg") {
sfinfoOut.format = SF_FORMAT_OGG;
} else { // fall back to
sfinfoOut.format = sfinfo.format;
}
}
sndfileOut = sf_open(fileNameOut, SFM_WRITE, &sfinfoOut) ;
if (!sndfileOut) {